diff --git a/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java b/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java
index 65ae4adb..d8453442 100644
--- a/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java
+++ b/spring-cloud-gateway-server/src/test/java/org/springframework/cloud/gateway/test/CustomBlockHoundIntegration.java
@@ -93,6 +93,9 @@ public class CustomBlockHoundIntegration implements BlockHoundIntegration {
 				"org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader", "loadBeanDefinitions");
 		builder.allowBlockingCallsInside("org.springframework.core.type.classreading.SimpleMetadataReader",
 				"getClassReader");
+		builder.allowBlockingCallsInside("io.micrometer.contextpropagation.ThreadLocalAccessorLoader",
+				"getThreadLocalAccessors");
+		builder.allowBlockingCallsInside("io.micrometer.contextpropagation.PropagatorLoader", "getPropagatorForSet");
 	}
 
 }